Very courteous! I have been a customer with Mr. Transmission of Clarksville for about 4 years now, and they have done various repairs for me over the years. Engine, manifold, transmission, and rear end work are a few of the bigger things they have done. They are great and they do great work as well. They are so helpful, skilled, and knowledgeable. I can always be confident in the work they do, as well as in the quality service that they provide. When I do have a question or concern, they are very quick to respond and willing to take a look. I really appreciate that and I also highly recommend therm! 5 out of 5 stars across the board!